224039999 has 4 divisors (see below), whose sum is σ = 225750360. Its totient is φ = 222329640.

The previous prime is 224039989. The next prime is 224040013. The reversal of 224039999 is 999930422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224039999 - 2⁸ = 224039743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224039909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854984 + ... + 855245.

It is an arithmetic number, because the mean of its divisors is an integer number (56437590).

Almost surely, 2^224039999 is an apocalyptic number.

224039999 is a deficient number, since it is larger than the sum of its proper divisors (1710361).

224039999 is a wasteful number, since it uses less digits than its factorization.

224039999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710360.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 224039999 is about 14967.9657602495. The cubic root of 224039999 is about 607.3539411886.

The spelling of 224039999 in words is "two hundred twenty-four million, thirty-nine thousand, nine hundred ninety-nine".